126 lines
2.9 KiB
PHP
126 lines
2.9 KiB
PHP
<?php declare(strict_types=1);
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namespace Picea\Compiler;
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use Picea\Compiler;
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abstract class Context {
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public string $namespace = "";
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public string $extendFrom = "";
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public string $className = "";
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public string $compiledSource = "";
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public ? string $sectionAction = null;
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public string $viewPath = "";
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public string $filePath = "";
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public string $classPath = "";
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public array $switchStack = [];
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public array $iterationStack = [];
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public array $useStack = [];
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public array $sections = [];
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public int $functions = 0;
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public array $functionStack = [];
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public array $hooks = [];
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public Compiler $compiler;
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public function hook(string $path, Callable $callback) : self
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{
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$this->hooks[$path] ??= [];
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$this->hooks[$path][] = $callback;
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return $this;
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}
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public function run(string $path, ...$arguments) : self
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{
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if ( $this->hooks[$path] ?? false ) {
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while ( $callback = array_pop($this->hooks[$path]) ) {
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$callback(...$arguments);
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}
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}
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}
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public function renderUses() : string
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{
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return implode(",", $this->useStack ?? []);
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}
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public function renderFunctions() : string
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{
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if ($this->extendFrom) {
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return "parent::exportFunctions();";
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}
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else {
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$cls = $this->compiledClassPath();
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$ns = $this->namespace ? "\\{$this->namespace}\\" : "";
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$list = ['static $caching = [];'];
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foreach ($this->functionStack as $name => $function) {
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$list[] = <<<FUNC
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if ( false === ( ( \$caching['$ns$name'] ?? false) || function_exists( '$ns$name' ) ) ) {
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\$caching['$ns$name'] = true;
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function $name(...\$arguments) {
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return $cls::\$context->functionStack['$name'](...\$arguments);
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}
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}
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FUNC;
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}
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return implode(PHP_EOL, $list);
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}
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}
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public function exportFunctions() : void
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{
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}
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public function tokenName(string $token) : string
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{
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return explode('.', $token)[0];
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}
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public function tokenOptions(string $token, bool $export = false) : array|string
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{
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$options = array_slice(explode('.', strtolower($token)), 1);
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return $export ? var_export($options, true) : $options;
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}
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public function pushFunction($name, Callable $callable) : void
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{
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$this->functionStack[$name] = $callable;
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}
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public function compiledClassPath() : string
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{
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if ($this->namespace) {
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return "\\{$this->namespace}\\{$this->className}";
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}
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return $this->className;
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}
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public function cacheFilename() : string
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{
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return strtolower(str_replace("\\", DIRECTORY_SEPARATOR, $this->namespace)) . ".context";
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}
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}
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